EP0227052A1 - Dispositif de servocommande - Google Patents

Dispositif de servocommande Download PDF

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Publication number
EP0227052A1
EP0227052A1 EP86117673A EP86117673A EP0227052A1 EP 0227052 A1 EP0227052 A1 EP 0227052A1 EP 86117673 A EP86117673 A EP 86117673A EP 86117673 A EP86117673 A EP 86117673A EP 0227052 A1 EP0227052 A1 EP 0227052A1
Authority
EP
European Patent Office
Prior art keywords
microprocessor
signal
count
servo
digital
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP86117673A
Other languages
German (de)
English (en)
Other versions
EP0227052B1 (fr
Inventor
Kenneth Louth
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ampex Systems Corp
Original Assignee
Ampex Corp
Ampex Systems Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US06/364,963 external-priority patent/US4514671A/en
Application filed by Ampex Corp, Ampex Systems Corp filed Critical Ampex Corp
Publication of EP0227052A1 publication Critical patent/EP0227052A1/fr
Application granted granted Critical
Publication of EP0227052B1 publication Critical patent/EP0227052B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/46—Controlling, regulating, or indicating speed
    • G11B15/467—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven
    • G11B15/473—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven by controlling the speed of the heads
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
    • H02P23/18—Controlling the angular speed together with angular position or phase
    • H02P23/186—Controlling the angular speed together with angular position or phase of one shaft by controlling the prime mover

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Electric Motors In General (AREA)
EP86117673A 1982-04-02 1983-02-25 Dispositif de servocommande Expired - Lifetime EP0227052B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US06/364,963 US4514671A (en) 1982-04-02 1982-04-02 Head scanning servo system in a recording and/or reproducing apparatus
US364963 1982-04-02
EP83301020A EP0091192B1 (fr) 1982-04-02 1983-02-25 Appareil et procédé de servocommande pour contrôler la vitesse rotative et la phase d'un mécanisme tournant

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP83301020.0 Division 1983-02-25

Publications (2)

Publication Number Publication Date
EP0227052A1 true EP0227052A1 (fr) 1987-07-01
EP0227052B1 EP0227052B1 (fr) 1994-04-20

Family

ID=26088898

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86117673A Expired - Lifetime EP0227052B1 (fr) 1982-04-02 1983-02-25 Dispositif de servocommande

Country Status (1)

Country Link
EP (1) EP0227052B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0326255A2 (fr) * 1988-01-26 1989-08-02 Sony Corporation Dispositif d'asservissement d'un moteur

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2128854A1 (fr) * 1971-03-11 1972-10-20 Honeywell Inc
GB2012999A (en) * 1978-01-17 1979-08-01 Sony Corp Digital servo circuits
US4206485A (en) * 1977-07-08 1980-06-03 Sony Corporation Digital phase servo system
US4212039A (en) * 1975-10-20 1980-07-08 Matsushita Electrical Industrial Co., Ltd. VTR Tape drive system
US4271382A (en) * 1978-06-27 1981-06-02 Matsushita Electric Industrial Co., Ltd. Speed control circuit for phase-locked loop motor drive systems

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2128854A1 (fr) * 1971-03-11 1972-10-20 Honeywell Inc
US4212039A (en) * 1975-10-20 1980-07-08 Matsushita Electrical Industrial Co., Ltd. VTR Tape drive system
US4206485A (en) * 1977-07-08 1980-06-03 Sony Corporation Digital phase servo system
GB2012999A (en) * 1978-01-17 1979-08-01 Sony Corp Digital servo circuits
US4271382A (en) * 1978-06-27 1981-06-02 Matsushita Electric Industrial Co., Ltd. Speed control circuit for phase-locked loop motor drive systems

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
IEEE TRANSACTIONS ON CONSUMER ELECTRONICS, vol. CE-26, no. 1, February 1980, pages 121-128, IEEE, New York, US; N. AZUMA et al.: "Microprocessor controlled variable play-back speed system for video tape recorder" *
IEEE TRANSACTIONS ON MAGNETICS, vol. MAG-17, no. 4, July 1981, pages 1435-1437, IEEE, New York, US; R.W. VAN PELT: "Microprocessor controlled tape motion" *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0326255A2 (fr) * 1988-01-26 1989-08-02 Sony Corporation Dispositif d'asservissement d'un moteur
EP0326255A3 (en) * 1988-01-26 1990-01-31 Sony Corporation Software servo for a rotary head drum

Also Published As

Publication number Publication date
EP0227052B1 (fr) 1994-04-20

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